| UIManager | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UIManagerClass | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UIManagerItemType | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| URI | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideFragmentIdentifier | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideHostName | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideHostPort | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideNone | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideOptions | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHidePassword | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideToplevelMethod | System.Gnome.VFS.URI, System.Gnome.VFS |
| URIHideUserName | System.Gnome.VFS.URI, System.Gnome.VFS |
| UTFCorrection | System.Glib.UTFString, System.Glib |
| UiManagerAccelerator | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerAuto | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerMenu | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerMenubar | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerMenuitem | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerPlaceholder | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerPopup | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerSeparator | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerToolbar | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| UiManagerToolitem | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| Underline | Graphics.UI.Gtk.Pango.Enums, Graphics.UI.Gtk |
| UnderlineDouble | Graphics.UI.Gtk.Pango.Enums, Graphics.UI.Gtk |
| UnderlineError | Graphics.UI.Gtk.Pango.Enums, Graphics.UI.Gtk |
| UnderlineLow | Graphics.UI.Gtk.Pango.Enums, Graphics.UI.Gtk |
| UnderlineNone | Graphics.UI.Gtk.Pango.Enums, Graphics.UI.Gtk |
| UnderlineSingle | Graphics.UI.Gtk.Pango.Enums, Graphics.UI.Gtk |
| UpdateAlways | Graphics.UI.Gtk.General.Enums, Graphics.UI.Gtk.Entry.SpinButton, Graphics.UI.Gtk |
| UpdateContinuous | Graphics.UI.Gtk.General.Enums, Graphics.UI.Gtk.Abstract.Range, Graphics.UI.Gtk |
| UpdateDelayed | Graphics.UI.Gtk.General.Enums, Graphics.UI.Gtk.Abstract.Range, Graphics.UI.Gtk |
| UpdateDiscontinuous | Graphics.UI.Gtk.General.Enums, Graphics.UI.Gtk.Abstract.Range, Graphics.UI.Gtk |
| UpdateIfValid | Graphics.UI.Gtk.General.Enums, Graphics.UI.Gtk.Entry.SpinButton, Graphics.UI.Gtk |
| UpdateType | Graphics.UI.Gtk.General.Enums, Graphics.UI.Gtk.Abstract.Range, Graphics.UI.Gtk |
| uchar | System.Glib.GTypeConstants |
| uiManagerAddTearoffs | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerAddUi | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerAddUiFromFile | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerAddUiFromString | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerEnsureUpdate | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetAccelGroup | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetAction | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetActionGroups | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetAddTearoffs | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetToplevels | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetUi | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerGetWidget | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerInsertActionGroup | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerNew | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerNewMergeId | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerRemoveActionGroup | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerRemoveUi | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerSetAddTearoffs | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uiManagerUi | Graphics.UI.Gtk.ActionMenuToolbar.UIManager, Graphics.UI.Gtk |
| uint | System.Glib.GTypeConstants |
| unGObject | System.Glib.GObject, System.Glib |
| underline | Graphics.UI.Gtk.SourceView.SourceTagStyle, Graphics.UI.Gtk.SourceView |
| underlinePosition | Graphics.UI.Gtk.Pango.Font, Graphics.UI.Gtk |
| underlineThickness | Graphics.UI.Gtk.Pango.Font, Graphics.UI.Gtk |
| unescapeString | System.Gnome.VFS.Util, System.Gnome.VFS |
| unescapeStringForDisplay | System.Gnome.VFS.Util, System.Gnome.VFS |
| unsafeCastGObject | System.Glib.GObject, System.Glib |
| unsafeInitGUIForThreadedRTS | Graphics.UI.Gtk.General.General, Graphics.UI.Gtk |
| updateContext | Graphics.UI.Gtk.Cairo, Graphics.UI.Gtk |
| updateLayout | Graphics.UI.Gtk.Cairo, Graphics.UI.Gtk |
| uriAppendFileName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriAppendPath | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriAppendString | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriEqual | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriExtractDirname | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriExtractShortName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriExtractShortPathName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriFromString | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetFragmentIdentifier | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetHostName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetHostPort | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetParent | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetPassword | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetPath | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetScheme | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetToplevel | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriGetUserName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriHasParent | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriIsLocal | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriIsParent | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriListParse | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriMakeFullFromRelative | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriResolveRelative | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriResolveSymbolicLink | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriSetHostName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriSetHostPort | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriSetPassword | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriSetUserName | System.Gnome.VFS.URI, System.Gnome.VFS |
| uriToString | System.Gnome.VFS.URI, System.Gnome.VFS |
| urisMatch | System.Gnome.VFS.Util, System.Gnome.VFS |
| urlShow | System.Gnome.VFS.Util, System.Gnome.VFS |
| urlShowWithEnv | System.Gnome.VFS.Util, System.Gnome.VFS |
| userToDevice | Graphics.Rendering.Cairo |
| userToDeviceDistance | Graphics.Rendering.Cairo |
